Jessye Norman and Arnold Schoenberg are the anniversaries under the spotlight in tonight's show.
Today sees the 140th anniversary of the birth of Arnold Schoenberg, who went on to revolutionise the classical music world in the 20th century through the invention of serialism. Alex tells you more about him – and plays his music – this Saturday evening.
And why did Gustav Holst change his name on 18th September 1918? Alex has all the answers.